On 08.06.2018 19:11, Matt wrote: > I have a Centos 7 install using EXT4 on LVM. Its running as a VM > inside KVM. Issue I have run into is that fstrim does not work due to > the LVM. Without fstrim snapshots have gotten huge. Is there a way > convert it from LVM to non-LVM without a complete reinstall? please consider to enable trim over LVM. You have just to set issue_discards = 1 in /etc/lvm/lvm.conf. best regards Ulf